()is not interesting to watch this film.A that B it C this

问题描述:

()is not interesting to watch this film.A that B it C this

选it
it is +adj+to do sth 是主语从句的典型用法。it 是形式主语,to watch this film是真正的主语。

答案选B it
it is +adj+to do sth 固定句型,表示“做某事.”